I'm Interested

Job Details

Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 82M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit

Location: US remote-friendly

At Reddit we continue to grow our teams with the best talent. We're completely remote friendly and will continue to be after the pandemic.

The Ads Data Science Team at Reddit is growing and we are looking for an experienced Staff Data Scientist to partner with product managers, engineers, and data scientists to up-level the experimentation capabilities of the ads organization. You will work with your cross-functional partners to enable more successful decision-making, product creation and adoption of a variety of new techniques in modeling, experimentation, statistical frameworks, and causal inference.


  • Elevate the experimentation practice for the Ads org by creating the right processes, templates and tools catered for ads use cases.
  • Lead the experimentation council that approves/guides experiment designs to ensure high-quality and trustworthy experimental results that lead to action.
  • Explore new experiment designs/techniques such as budget split experiments, variance reduction techniques, Bayesian approaches, causal inference methodologies, dosage response studies, staggered experiments etc and apply them successfully for complex experiments on the ads side of the business.
  • Liaise with the centralized experimentation team in building platform features to accelerate ads experimentation.
  • Develop and adopt metrics and statistical methods that help ads product teams better measure their feature areas, as well as the toolset to help experimenters understand the “why” behind what they are seeing in their experiments.
  • Serve as a thought-partner for product managers, engineering managers and leadership from your respective product domain, communicating and shaping the roadmap and strategy for Reddit by identifying actionable and impactful insights through experimentation.

Required Qualifications: 

  • Relevant experiences in quantitative or data science roles, preferably for a consumer-facing service/app, ads monetization, safety etc.
  • Ph.D., M.S. or Bachelors degree in Statistics, Machine Learning, Economics, Econometrics, Computer Science, or other quantitative fields (If M.S. or Bachelors degree, a minimum of 10+ years of industry data science experience required; If PhD degree, a minimum of 6+ years of industry data science experience required)
  • Deep understanding of online experimentation and causal inference. Able to demonstrate application of the statistical underpinnings of experimentation: hypothesis testing, p-values, causal inference, etc.
  • Fluent with statistical analysis, programming languages (e.g., Python/R) and querying relational databases (e.g., SQL)
  • Comfortable in innovative and fast-paced environments, and an innate ability to bias toward action
  • Strong technical communication and demonstrated ability to discuss complex topics with technical and non-technical audiences alike
  • Able to tackle ambiguous and undefined problems
  • Experience with digital advertising and marketplace dynamics is preferred, but not required.
  • Desire to mentor other data scientists and share best practices to elevate the data science practice at Reddit


  • Comprehensive Health benefits
  • 401k Matching
  • Workspace benefits for your home office
  • Personal & Professional development funds
  • Family Planning Support
  • Flexible Vacation (please use them!) & Reddit Global Days Off
  • 4+ months paid Parental Leave
  • Paid Volunteer time off

#LI-Remote #LI-NH1

Pay Transparency:

This job posting may span more than one career level.

In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit

To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.

The base pay range for this position is:
$206,700$289,400 USD

Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at

Help us maintain the quality of jobs posted on PowerToFly. Let us know if this job is closed.
We're connecting diverse talent to big career moves. Meeting people who boost your career is hard - yet networking is key to growth and economic empowerment. We’re here to support you - within your current workplace or somewhere new. Upskill, join daily virtual events, apply to roles (it’s free!).
Are you hiring? Join our platform for diversifiying your team
Staff Data Scientist, Ads Experimentation
I'm Interested